[13][14][15][16] Quaid and his fellow The Boys co-star Erin Moriarty both appeared in the 2018 music video for Creedence Clearwater Revival's song "Have You Ever Seen the Rain?".

[17] Quaid voiced the role of Ensign Brad Boimler in the CBS All Access animated series Star Trek: Lower Decks (2020–2024).

[19][20][21][22] In 2023, Quaid played a live action version of Ensign Brad Boimler in a crossover with Star Trek: Strange New Worlds called "Those Old Scientists.

"[citation needed] Quaid played a supporting role in Christopher Nolan's historical epic Oppenheimer (2023)[23] as the physicist Richard Feynman.

In a podcast interview with The Daily Beast, he acknowledged his privileged position and agreed with the label, noting that while his early access to representation gave him a significant advantage in his career, he stressed his efforts to prove his own merit.

Meanwhile, his mother criticized the label, describing it as dismissive of her son's work ethic, talent, and awareness of his privileged position.